com.wavemaker.runtime.data.dao.query.providers.PaginatedQueryProvider Maven / Gradle / Ivy
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* Copyright (C) 2022-2023 WaveMaker, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package com.wavemaker.runtime.data.dao.query.providers;
import java.util.Optional;
import org.hibernate.Session;
import org.hibernate.query.Query;
import org.springframework.data.domain.Pageable;
/**
* @author Dilip Kumar
* @since 1/8/17
*/
public interface PaginatedQueryProvider {
/**
* Returns or creates query from underlying data source with given pagination info.
*
* @param session active hibernate session.
* @param pageable pagination info
*
* @return query
*/
Query getQuery(Session session, Pageable pageable);
/**
* Returns count query to fetch the count from the underlying data source.
*
* @param session active hibernate session
*
* @return count query.
*/
Optional> getCountQuery(Session session);
default Query getQuery(Session session, Pageable pageable, ParametersProvider provider) {
return provider.configure(session, getQuery(session, pageable));
}
default Optional> getCountQuery(Session session, ParametersProvider provider) {
final Optional> queryOptional = getCountQuery(session);
queryOptional.ifPresent(query -> provider.configure(session, query));
return queryOptional;
}
}